What type of property is 21 Chatsworth Avenue, NN3 8JD?

21 Chatsworth Avenue, NN3 8JD is a 4-bedroom semi-detached house, which has been extended.

When did 21 Chatsworth Avenue, NN3 8JD last change hands?

21 Chatsworth Avenue, NN3 8JD last sold for £250,000 in November 2020, around 6 years ago. Land Registry has 5 sales on record going back to £53,500 in July 1995. Source: HM Land Registry.

How has the value of 21 Chatsworth Avenue, NN3 8JD changed over time?

Across 5 sales between July 1995 and November 2020, 21 Chatsworth Avenue, NN3 8JD rose from £53,500 to £250,000, a change of £196,500. That works out to roughly +6.3% per year compounded over 25 years. Source: HM Land Registry.

What energy rating does 21 Chatsworth Avenue, NN3 8JD have?

The current EPC rating for 21 Chatsworth Avenue, NN3 8JD is C with a score of 69 out of 100, lodged in July 2020. Source: EPC Register.

What is the floor area of 21 Chatsworth Avenue, NN3 8JD?

21 Chatsworth Avenue, NN3 8JD has a recorded floor area of 117 m² (1,259 sq ft), around 29 m² per bedroom. That makes it about 67% larger than the median EPC-recorded property in NN3 8JD. Source: EPC Register.

How is 21 Chatsworth Avenue, NN3 8JD heated?

The latest EPC at 21 Chatsworth Avenue, NN3 8JD records mains gas as the main heating fuel. Source: EPC Register.

What council tax band is 21 Chatsworth Avenue, NN3 8JD?

21 Chatsworth Avenue, NN3 8JD is in council tax band D.

Where is 21 Chatsworth Avenue, NN3 8JD located?

21 Chatsworth Avenue, NN3 8JD sits in Northampton. It falls within the NN3 postcode district in Northamptonshire.

What is crime like near 21 Chatsworth Avenue, NN3 8JD?

Police records around 21 Chatsworth Avenue, NN3 8JD show an average of 5 reported crimes per month over the last 11 months. Violent crime makes up roughly 62% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

Which schools serve 21 Chatsworth Avenue, NN3 8JD?

The closest primary school to 21 Chatsworth Avenue, NN3 8JD is Woodvale Primary Academy (212m), one of 21 primaries within walking distance. The closest secondary is Northampton Academy (1.2km), with 8 secondaries in the surrounding area.

What is the nearest station to 21 Chatsworth Avenue, NN3 8JD?

The closest bus stop to 21 Chatsworth Avenue, NN3 8JD is Arbour Wood, 174m away. In total there are 30 bus stops within the surrounding area.

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21 Chatsworth Avenue, Northampton, NN3 8JD

5 sales on record

Property type

Semi-detached

Bedrooms

Bathroom

Floor area

117 m²

1259 sq ft

Energy rating

Score 69

Council tax

Band D

Tenure

Owner Occupied

Overview

About 21 Chatsworth Avenue

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

21 Chatsworth Avenue is a four-bedroom semi-detached house in Northampton (NN3 8JD). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (July 2020) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since April 2014. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good. Records show the property has been extended at some point in its history.

At 117 m² the property is well over the postcode median (70 m² across 36 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 1995–2020, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £304,000 is 21.6% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£199/sq ft) was about 23.1% above the typical sold price in the postcode. Most recent transfer: November 2020 at £250,000.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

Bedrooms4
Bathrooms1
EnsuiteYes

Outside

Private gardenRear
GarageYes

Building

Previously extendedYes
RefurbishedYes

Before you decide

Everything you need to know about 21 Chatsworth Avenue

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

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Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

Current Certificate(1 of 2)

Jul 2020

EPC Rating

C69

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Good

CO2 Emissions

3.9 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jul 2020from Apr 2014

Windows

AverageGood

Window efficiency improved

Low Energy Lighting

67%100%

More low energy lighting installed

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centurySemi-Detached HouseEPC C

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Planning

Planning history

Applications and permits filed against 21 Chatsworth Avenue, Northampton, NN3 8JD, sourced from the PlanIt planning register.

21 Chatsworth Avenue has no planning applications on record.

But the area is active

20 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

21 Chatsworth Avenue has more than quadrupled in price since its earliest registered sale in 1995.

Current estimate

£304,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 25 years.

See how we calculated this

Last sold (2020)

£250,000

Growth on file: 6.3% per year over 25 years.

Sales timeline

27 November 2020Most recent
£250,000
+41.2%over 6 years
31 July 2014
£177,000
+86.3%over 12 years
29 November 2001
£95,000
+26.7%over 2 years
6 October 1999
£74,995
+40.2%over 4 years
13 July 1995
£53,500

Median price across the last 5 sales in NN3 8JD: £235,000 (2025–2023).

Nearby sales in NN3 8JD

On the street

Versus other Chatsworth Avenue homes

Four headline reads against 36 similar houses on this street, drawn from the latest EPC and Land Registry data.

On floor area, 21 Chatsworth Avenue stands well clear of the street.

Price per m²

£2,137

Street avg £2,414

Below

Floor Area

117 m²

Street avg 77 m²

Strongly above

Habitable Rooms

7 rooms

Street avg 4 rooms

Strongly above

CO₂ Emissions

3.9 t/year

Street avg 3.6 t/year

Below

Before you decide

Everything you need to know about 21 Chatsworth Avenue

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

The data behind every report

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£326k

1 Chatsworth Avenue

NN3 8JD

4 bed2 bath

£251k

1 Cordon Close

NN3 8PG

3 bed1 bath

£250k

1 Candleford

NN3 8QS

3 bed1 bath

£250k

1 Chesham Rise

NN3 8PX

3 bed

£215k

1 Arbour Court

NN3 8HB

3 bed1 bath

£210k

1 Beaumont Drive

NN3 8PE

3 bed

£209k

1 Booth Meadow Court

NN3 8AZ

3 bed2 bath

£190k

1 Collmead Court

NN3 8QE

3 bed

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Northampton district page.

Full Northampton report

Crime

5/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

Arbour Wood — bus stop.

Closest school

0.2 km

Woodvale Primary Academy. 29 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around NN3 8JD from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

51.6dB

Low

Night-time road noise heatmap for NN3 8JD

Night-time· 23:00 – 07:00

41.7dB

Low

55 dB

60 dB

65 dB

70 dB

75 dB

80 dB

Defra Road Noise Strategic Mapping, Round 4

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Chatsworth Avenue, Northampton, NN3 8JD. Each answer is also embedded as structured data for search engines.